.header {
    height: 80px;
    border-bottom: 1px solid #dddddd;
    background-image: url(天空.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: 0 center;
    background-attachment: fixed;
}

.tubiao {
    margin: 0 auto;
    display: block;
    width: 0px;
    height: 0px;
    border: 50px solid transparent;
    border-top-color: rgb(241, 228, 228);
    animation: animate 1s ease-in infinite alternate;
    position: absolute;
    top: 700px;
    left: 900px;
}

@keyframes animate {
    0% {
        transition: translate(0, 0);
    }
    50% {
        border-top-color: rgb(192, 211, 192);
    }
    100% {
        transform: translate(0px, 50px);
    }
}

.welcome:hover {
    transform: scale(1.5);
}

.header .logo {
    float: left;
    font-size: 24px;
    font-weight: bold;
    line-height: 80px;
}

.header .logo img {
    height: 60px;
    margin: 10px 20px;
    float: left;
}

.header .menu {
    float: right;
}

.header .menu ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.header .menu ul li {
    display: inline-block;
}

.header .menu ul li a {
    text-decoration: none;
    font-size: 16px;
    color: #aaa;
    line-height: 80px;
    padding: 0 20px;
}

.header .menu ul li.active a {
    color: black;
}

.header .menu ul li.active {
    border-bottom: 2px solid black;
}


/* ___________________welcome____________________ */

.welcome {
    text-align: center;
    padding: 15% 0;
    background-image: url(天空.jpg);
    background-size: 100%;
}

.welcome h1 {
    font-size: 50px;
    line-height: 1;
    margin: 0;
    color: rgb(19, 18, 18);
}

.welcome p {
    line-height: 1;
}


/* ___________________works____________________ */

.works {
    padding: 30px;
    background-image: url(天空.jpg);
    background-size: 100%;
}

.work {
    text-align: center;
    text-decoration: none;
}

.work .top img {
    width: 80%;
    height: auto;
}

.work .bottom {
    padding: 10px;
}

.works .bottom .work-title {
    margin: 0;
    font-size: 18px;
    color: #000;
}

.works .bottom .category {
    font-size: 13px;
    color: #555;
}


/* ___________________About____________________ */

.about {
    position: relative;
    height: 400px;
    background-image: url(天空.jpg);
    padding-top: 10%;
}

.left {
    display: inline-block;
    width: 500px;
    position: absolute;
    left: 5%;
    font-size: 18pt;
}

.right {
    display: inline-block;
    position: absolute;
    right: 15%;
    width: 300px;
}

.about1 {
    position: relative;
    height: 400px;
    background-color: white;
    padding-top: 10%;
    background-image: url(天空.jpg);
    background-size: 100%;
}

.about1 .left {
    left: 50%;
    margin-left: -350px;
    background-image: url(天空.jpg);
    background-size: 100%;
}

.about1 .left ul li {
    margin-top: 10px;
}


/* ___________________footer____________________ */

.footer {
    background-color: #f4f4f4;
    margin-top: 10px;
    /* border: 1px solid red; */
    background-image: url(天空.jpg);
    background-size: 100%;
}

.footer .top {
    padding: 30px 0;
    text-align: center;
}

.footer .top .info {
    margin: 0 auto;
    width: 80%;
    max-width: 1200px;
    padding: 20px 0;
    color: #555;
    font-size: 14px;
}

.footer .bottom {
    padding: 20px;
    border-top: 1px solid #dddddd;
    font-size: 13px;
    color: #aaa;
    overflow: auto;
    text-align: center;
}


/* ___________________About Page____________________ */

.bg-font {
    position: fixed;
    font-size: 400px;
    color: #aaa;
    opacity: 0.2;
}

.bg-font span {
    width: 30%;
    bottom: 10%;
    display: inline-block;
}

.content {
    overflow: auto;
    background-image: url(天空.jpg);
    background-size: 100%;
}

.content .avatar {
    text-align: center;
}

.content .avatar img {
    border-radius: 80px;
}

.content .intro {
    font-size: 14px;
    color: #666666;
    line-height: 1.8;
    padding: 30px;
    margin: 10px auto;
}


/* 介绍内容 */

.content .half {
    display: inline-block;
    width: 400px;
    vertical-align: top;
    margin-left: 10%;
}


/* ___________________Gallery Page____________________ */

.photos {
    width: 1000px;
    /* background-color: wheat; */
    margin: 0 auto;
    padding-bottom: 80px;
    background-image: url(天空.jpg-);
}

.photos img {
    margin: 0 30px;
}

.photos .first {
    vertical-align: top;
}

.photos .second {
    vertical-align: middle;
}

.photos {
    overflow: hidden;
}

.photos img {
    overflow: hidden;
    transition: all ease 0.5s;
}

.photos img:hover {
    transform: scale(1.1);
}

.box {
    margin: 0 auto;
    display: block;
    width: 0px;
    height: 0px;
    border: 50px solid transparent;
    border-top-color: black;
    animation: animate 1s ease-in infinite alternate;
}

user agent stylesheet a:-webkit-any-link {
    color: -webkit-link;
    cursor: pointer;
    text-decoration: underline;
}